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Combinational and Sequential Logic

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Do we need combinational logic, sequential logic, or a combination of the two to implement each of the following:

a. multiplexor
b. comparator
c. incrementer/decrementer
d. barrel shifter
e. multiplier with shifters and adders
f. register
g. memory
h. ALU (the ones in single-cycle and multiple-cycle datapaths)
i. carry look-ahead adder
j. latch
k. general finite state machine (FSM)

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Solution Summary

The expert examines combinational and sequential logic.

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a) multiplexor - combinational
b) comparator - combinational
c) incrementer/decrementer - sequential
d) barrel shifter - combinational
e) multiplier with shifter and adders - ...

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